 <script src="./lib/js/$require.js"></script>
 <script>
 // on document ready call start
 $r.ready(function() {
    var displaySurface = gamejs.display.setMode(800, 600);
    gamejs.draw.rect(displaySurface, '#cccccc', new gamejs.Rect(50, 150, 20, 20), 0); // fill
 });
 </script>
 </head>
 <body>
 </body>
